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ddd [48]
3 years ago
8

Early improvements to microscopes allowed some scientists to view cells and eventually develop what?

Biology
1 answer:
enot [183]3 years ago
3 0
Answer: please add a clear picture
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. I have 13 ones and 9 tens, what is my number? *
bija089 [108]

Answer:

103

13 ones = 13

9 tens = 90

90 + 13 = 103

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In a classic experiment using pea shape, Mendel conducted two separate genetic crosses. In the first cross the parent plants wer
Kamila [148]

The question is incomplete. The rest of the question is :

From these experiments, Mendel developed four hypotheses. They include all but ___________. A. One heritable factor may be dominant and mask the other factor. B. Any organism that "shows" a heritable factor must be homozygous. Eliminate C. An organism has two "heritable factors", now called genes, one from each parent. D. sperm or egg carries only one heritable factor for each trait in the offspring.

Answer:

<em>The hypothesis which is excluded is B 'Any organism that "shows" a heritable factor must be homozygous.'</em>

Explanation:

The hypothesis is wrong because even heterozygous traits are heritable.

The hypothesis mentioned in option B cannot be considered correct because Mendel's studies showed that all traits can be inherited from the parents. All factors whether dominant or recessive, homozygous or heterozygous are heritable characteristics. Mendel's study also confirmed that genes might carry homozygous or heterozygous alleles and these alleles independently assort into gametes and are heritable.

All other hypotheses are correct and their authenticity was validated after Mendel performed his experiments.

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The answer is D) Small intestine
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Which scientist revolutionized the way biologists think about the evolutionary history of eukaryotes?
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